Light quantity adjusting apparatus, image pickup apparatus...

Details Light quantity adjusting apparatus, image pickup apparatus... Light quantity adjusting apparatus, image pickup apparatus...

2009-05-28

2010-12-14

Blackman, Rochelle-Ann J (Department: 2862)

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Diaphragm

C396S496000, C348S368000, C359S722000, C359S739000

Reexamination Certificate

active

07850375

ABSTRACT:
At least one exemplary embodiment is directed to a light quantity adjusting apparatus that can include a first blade member configured to be driven by a drive source, such as a motor, and a second blade member whose movement is configured to be related to the movement of the first blade member.

REFERENCES:
patent: 5646769 (1997-07-01), Sato et al.
patent: 5646770 (1997-07-01), Sato et al.
patent: 5749015 (1998-05-01), Sato et al.
patent: 6099171 (2000-08-01), Takahashi
patent: 2003/0161049 (2003-08-01), Okada et al.
patent: 2005/0073604 (2005-04-01), Umezu

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